11772489430 has 64 divisors (see below), whose sum is σ = 23822100288. Its totient is φ = 4159848960.

The previous prime is 11772489383. The next prime is 11772489431. The reversal of 11772489430 is 3498427711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11772489431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 273349 + ... + 313471.

It is an arithmetic number, because the mean of its divisors is an integer number (372220317).

Almost surely, 2^11772489430 is an apocalyptic number.

11772489430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11772489430 is an abundant number, since it is smaller than the sum of its proper divisors (12049610858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11772489430 is a wasteful number, since it uses less digits than its factorization.

11772489430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40241.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 11772489430 in words is "eleven billion, seven hundred seventy-two million, four hundred eighty-nine thousand, four hundred thirty".